“Where the cheque is drawn by way of representation or the attorney-ship of the account-holder, whether being a natural or juridical person, the drawer and the account-holder shall be jointly liable [for] the payment of the amount of the cheque, and the executive writ and judgment of damages shall be issued against both of them on the basis of their joint liability. Moreover, the signatory of the cheque shall have criminal liability in accordance with the provisions of this Act unless he proves that non-payment was caused by the act of the account-holder, his subsequent attorney or representative. In such a case the one who caused non-payment shall have criminal liability.”